MA = (Input Distance) / (Output Distance)
For these images of pulleys, can you compare the distance of rope you must pull to the distance the object is lifted?
Pulley1.jpg Pulley2.jpg
Pulley3D.jpg Pulley3U.jpg
Pulley4U.jpg Pulley4D.jpg
Pulley5U.jpg

Check you understanding of pulleys with this quiz .